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|
; flat assembler interface for Linux x64
; Copyright (c) 1999-2022, Tomasz Grysztar.
; All rights reserved.
esp equ +rsp
macro pushD [arg]
{
common
local offset,total
offset = 0
lea rsp,[rsp-total]
forward
offset = offset + 4
if arg eqtype eax
mov dword [rsp+total-offset],arg
else
mov r8d,dword arg
mov [rsp+total-offset],r8d
end if
common
total = offset
}
macro popD [arg]
{
common
local offset
offset = 0
forward
if arg eqtype [mem]
mov r8d,[rsp+offset]
mov dword arg,r8d
else
mov arg,dword [rsp+offset]
end if
offset = offset + 4
common
lea rsp,[rsp+offset]
}
macro add dest,src
{
if dest eq esp
add rsp,src
else
add dest,src
end if
}
macro mov dest,src
{
if src eq esp
mov dest,ESP
else
mov dest,src
end if
}
macro cmp dest,src
{
if dest eq esp
cmp ESP,src
else
cmp dest,src
end if
}
macro use32
{
macro push args
\{
local list,arg,status
define list
define arg
irps sym, args \\{
define status
match =dword, sym \\\{
define status :
\\\}
match [any, status arg sym \\\{
define arg [any
match [mem], arg \\\\{
match previous, list \\\\\{ define list previous,[mem] \\\\\}
match , list \\\\\{ define list [mem] \\\\\}
define arg
\\\\}
define status :
\\\}
match [, status arg sym \\\{
define arg [
define status :
\\\}
match , status \\\{
match previous, list \\\\{ define list previous,sym \\\\}
match , list \\\\{ define list sym \\\\}
\\\}
\\}
match arg, list \\{ pushD arg \\}
\}
macro pop args
\{
local list,arg,status
define list
define arg
irps sym, args \\{
define status
match =dword, sym \\\{
define status :
\\\}
match [any, status arg sym \\\{
define arg [any
match [mem], arg \\\\{
match previous, list \\\\\{ define list previous,[mem] \\\\\}
match , list \\\\\{ define list [mem] \\\\\}
define arg
\\\\}
define status :
\\\}
match [, status arg sym \\\{
define arg [
define status :
\\\}
match , status \\\{
match previous, list \\\\{ define list previous,sym \\\\}
match , list \\\\{ define list sym \\\\}
\\\}
\\}
match arg, list \\{ popD arg \\}
\}
macro jmp arg
\{
if arg eq near eax
jmp near rax
else if arg eq near edx
jmp near rdx
else if arg eqtype [mem]
mov r8d,arg
jmp near r8
else
jmp arg
end if
\}
macro call arg
\{
if 1
match =near =dword [mem], arg \\{
mov r8d,[mem]
call near r8
else
\\}
call arg
end if
\}
macro salc ; for fasm's core it does not need to preserve flags
\{
setc al
neg al
\}
macro jcxz target ; for fasm's core it does not need to preserve flags
\{
test cx,cx
jz target
\}
use64
}
macro use16
{
purge push,pop,jmp,call,salc,jcxz
use16
}
use32
|
